lc4

The compression regulations and the process of LC4 forming at high temperature were analyzed by a self-developed simulation software system .

并应用所开发的一套数值模拟软件系统，对LC4铝合金的高温压缩规律及压缩过程进行了分析。

The deformation regulations of aluminum alloy LC4 at high temperature were studied , and a precise constitutive model was developed .

研究LC4铝合金的高温变形规律，拟合出具有较高精度的高温本构模型。

LC4 aluminium alloy is one of super-strength aluminium alloys which has been widely used in aviation and national defence industries in our country .

LC4铝合金是我国航空和国防工业中应用广泛的一种超高强铝合金。

The coarse crystalline LC4 alloy exhibit some superplasticity under lower temperature and higher strain rate , because it can create effective recrystallization refinement .

粗晶LC4合金在较低温度和较高应变速率条件下，因能产生有效的再结晶细化，而呈现出一定的超塑性。

LC4 alloy have been used on aerospace industry and others widely , and it is used on main load-carrying structure of airplane , for example girder and bulkhead and junction etc.

LC4铝合金在航空航天等工业中得到了广泛应用，在航空工业中主要用于飞机大梁、隔框、接头等重要承力件。

Assessment validation method of accelerated simulation environment test was established . The 7A04 ( LC4 ) aluminium alloy was taken as the basic sample , testing the anticorrosion properties of JMF colloidal sealants and relative aeronautical products .

建立了加速模拟环境试验的考核验证方法，以7A04（LC4）铝合金为基体，考核JMF胶体密封剂和现有相关航空产品的防蚀性能。

The distribution of residual stress , residual stress indensity factor ( SIF ) and its effect on corrosion cracking behavior of Al-Zn-Mg-Cu ( LC4 ) alloy in double cantilever beam ( DCB ) specimen under various aging temperature have been investigated .

研究了时效制度对Al－Zn－Mg－Cu合金（LC4）双悬臂梁（DCB）试样的残余应力分布及其对应力强度因子、腐蚀开裂行为的影响。